PEN Film for Harsh Environment Applications

Polyethylene naphthalate (PEN) film is the product of choice for harsh environment applications, filling the performance gap between polyester films and high-performance polyimide films. Tekra can make a recommendation for Kaladex® PEN film manufactured by Mylar® Specialty Films (formerly DuPont Teijin Films™) or Teonex® PEN film manufactured by Toyobo Film Solutions Limited™ based on your specific performance requirements.

Environmental Film Properties

Kaladex® and Teonex® PEN film have many superior properties, such as:

  • Heat resistance
  • Good dielectric properties
  • High dimensional stability
  • Strength
  • Anti-hydrolysis
  • Low oligomer extraction
  • Chemical resistance
  • Excellent handling properties

Tekra’s PEN film options can be used for electrical insulation in high temperature environments such as automotive batteries and fuels cells, solar cells, flat flexible cables, flexible printed circuitry, motors, capacitors, and generators.

These harsh environment films should be considered a specialty product offering. They are manufactured in gauges from 0.6 mil to 10 mil and based on volume, stocking programs can be established to lessen the impact of product availability and lead times.

Common PEN Film Products

PEN - Harsh Environment Film Products

Image of Kaladex® 2000 hazy PEN film

Features

  • Strong heat resistance
  • UV resistance up to 375 nm
  • Excellent moisture and oxygen barrier properties
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Image of Kaladex® 2000L hazy, annealed PEN film

Features

  • Strong heat resistance
  • UV resistance up to 375 nm
  • Excellent moisture and oxygen barrier properties
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Image of TEONEX® Q53 annealed PEN film

Features

  • Improved shrink resistance over standard PEN film
  • Excellent tensile strength and dimension stability
  • Higher glass transition temperature than PET film for harsh environments
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Image of TEONEX® Q51 PEN film

Features

  • Excellent handling properties
  • High dimensional stability
  • Anti-hydrolysis
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Image of TEONEX® Q83 PEN film

Features

  • Excellent handling properties
  • High dimensional stability
  • Anti-hydrolysis
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